Description
• Double countersunk head reduces the likelihood of head shear and makes countersinking easier
• Wax lubrication enhances screw insertion time, driving torque, and corrosion resistance
• 40° deep single thread ensures a secure fixing with high pull-out resistance
• 25° sharp point and single lead ensure a fast start and improved thread acceptance
• All sizes up to and including 75mm are fully threaded, while lengths 80mm and above have a 70mm thread length